/**
* @file lib/initend.c
* @brief Initialization and finalization routines
* @defgroup initend Initialization and finalization functions
*
* Use these functions to initialize some parameters before start
* using libxbps and finalize usage to release resources at the end.
*/
static void
store_vpkg(struct xbps_handle *xhp, const char *path, size_t line, char *vpkg_s)
{
/*
* Append virtual package overrides to our vpkgd dictionary:
*
* <key>vpkgver</key>
* <string>realpkgname</string>
*/
char *vpkg, *rpkg, *tc;
size_t vpkglen;
if (xhp->vpkgd == NULL)
xhp->vpkgd = xbps_dictionary_create();
/* real pkg after ':' */
vpkg = vpkg_s;
rpkg = strchr(vpkg_s, ':');
if (rpkg == NULL || *rpkg == '\0') {
xbps_dbg_printf(xhp, "%s: ignoring invalid "
"virtualpkg option at line %zu\n", path, line);
return;
}
/* vpkg until ':' */
tc = strchr(vpkg_s, ':');
vpkglen = strlen(vpkg_s) - strlen(tc);
vpkg[vpkglen] = '\0';
/* skip ':' */
rpkg++;
xbps_dictionary_set_cstring(xhp->vpkgd, vpkg, rpkg);
xbps_dbg_printf(xhp, "%s: added vpkg %s for %s\n", path, vpkg, rpkg);
}
int HIDDEN
xbps_pkgdb_init(struct xbps_handle *xhp)
{
int rv;
assert(xhp != NULL);
if (xhp->pkgdb_plist == NULL)
xhp->pkgdb_plist = xbps_xasprintf("%s/%s", xhp->metadir, XBPS_PKGDB);
#if 0
if ((rv = xbps_pkgdb_conversion(xhp)) != 0)
return rv;
#endif
if (xhp->pkgdb != NULL)
return 0;
if ((rv = xbps_pkgdb_update(xhp, false, true)) != 0) {
if (rv != ENOENT)
xbps_dbg_printf(xhp, "[pkgdb] cannot internalize "
"pkgdb array: %s\n", strerror(rv));
return rv;
}
if ((rv = pkgdb_map_vpkgs(xhp)) != 0) {
xbps_dbg_printf(xhp, "[pkgdb] pkgdb_map_vpkgs %s\n", strerror(rv));
return rv;
}
assert(xhp->pkgdb);
xbps_dbg_printf(xhp, "[pkgdb] initialized ok.\n");
return 0;
}
static int
repo_find_best_pkg_cb(struct xbps_handle *xhp,
struct xbps_rpool_index *rpi,
void *arg,
bool *done)
{
struct repo_pool_fpkg *rpf = arg;
const char *repopkgver;
prop_dictionary_t pkgd;
(void)done;
(void)xhp;
if (rpf->bypattern) {
pkgd = xbps_find_pkg_in_array_by_pattern(xhp, rpi->repo,
rpf->pattern, NULL);
} else {
pkgd = xbps_find_pkg_in_array_by_name(xhp, rpi->repo,
rpf->pattern, NULL);
}
if (pkgd == NULL) {
if (errno && errno != ENOENT)
return errno;
xbps_dbg_printf(xhp,
"[rpool] Package '%s' not found in repository "
"'%s'.\n", rpf->pattern, rpi->uri);
return 0;
}
prop_dictionary_get_cstring_nocopy(pkgd,
"pkgver", &repopkgver);
if (rpf->bestpkgver == NULL) {
xbps_dbg_printf(xhp,
"[rpool] Found best match '%s' (%s).\n",
repopkgver, rpi->uri);
rpf->pkgd = pkgd;
prop_dictionary_set_cstring_nocopy(rpf->pkgd,
"repository", rpi->uri);
rpf->bestpkgver = repopkgver;
return 0;
}
/*
* Compare current stored version against new
* version from current package in repository.
*/
if (xbps_cmpver(repopkgver, rpf->bestpkgver) == 1) {
xbps_dbg_printf(xhp,
"[rpool] Found best match '%s' (%s).\n",
repopkgver, rpi->uri);
rpf->pkgd = pkgd;
prop_dictionary_set_cstring_nocopy(rpf->pkgd,
"repository", rpi->uri);
rpf->bestpkgver = repopkgver;
}
return 0;
}
static int
pkgdb_map_vpkgs(struct xbps_handle *xhp)
{
xbps_object_iterator_t iter;
xbps_object_t obj;
int rv = 0;
if (!xbps_dictionary_count(xhp->pkgdb))
return 0;
if (xhp->vpkgd == NULL) {
xhp->vpkgd = xbps_dictionary_create();
assert(xhp->vpkgd);
}
/*
* This maps all pkgs that have virtualpkgs in pkgdb.
*/
iter = xbps_dictionary_iterator(xhp->pkgdb);
assert(iter);
while ((obj = xbps_object_iterator_next(iter))) {
xbps_array_t provides;
xbps_dictionary_t pkgd;
const char *pkgver;
char *pkgname;
pkgd = xbps_dictionary_get_keysym(xhp->pkgdb, obj);
provides = xbps_dictionary_get(pkgd, "provides");
if (provides == NULL)
continue;
xbps_dictionary_get_cstring_nocopy(pkgd, "pkgver", &pkgver);
pkgname = xbps_pkg_name(pkgver);
assert(pkgname);
for (unsigned int i = 0; i < xbps_array_count(provides); i++) {
const char *vpkg;
xbps_array_get_cstring_nocopy(provides, i, &vpkg);
if (!xbps_dictionary_set_cstring(xhp->vpkgd, vpkg, pkgname)) {
xbps_dbg_printf(xhp, "%s: set_cstring vpkg "
"%s pkgname %s\n", __func__, vpkg, pkgname);
rv = EINVAL;
} else {
xbps_dbg_printf(xhp, "[pkgdb] added vpkg %s for %s\n",
vpkg, pkgname);
}
}
free(pkgname);
}
xbps_object_iterator_release(iter);
return rv;
}
int
xbps_pkgdb_lock(struct xbps_handle *xhp)
{
mode_t prev_umask;
int rv;
/*
* Use a mandatory file lock to only allow one writer to pkgdb,
* other writers will block.
*/
xhp->pkgdb_plist = xbps_xasprintf("%s/%s", xhp->metadir, XBPS_PKGDB);
if (xbps_pkgdb_init(xhp) == ENOENT) {
/* if metadir does not exist, create it */
if (access(xhp->metadir, R_OK|X_OK) == -1) {
if (errno != ENOENT)
return errno;
if (xbps_mkpath(xhp->metadir, 0755) == -1) {
rv = errno;
xbps_dbg_printf(xhp, "[pkgdb] failed to create metadir "
"%s: %s\n", xhp->metadir, strerror(rv));
return rv;
}
}
/* if pkgdb is unexistent, create it with an empty dictionary */
xhp->pkgdb = xbps_dictionary_create();
if (!xbps_dictionary_externalize_to_file(xhp->pkgdb, xhp->pkgdb_plist)) {
rv = errno;
xbps_dbg_printf(xhp, "[pkgdb] failed to create pkgdb "
"%s: %s\n", xhp->pkgdb_plist, strerror(rv));
return rv;
}
}
prev_umask = umask(022);
if ((pkgdb_fd = open(xhp->pkgdb_plist, O_CREAT|O_RDWR|O_CLOEXEC, 0664)) == -1) {
rv = errno;
xbps_dbg_printf(xhp, "[pkgdb] cannot open pkgdb for locking "
"%s: %s\n", xhp->pkgdb_plist, strerror(rv));
free(xhp->pkgdb_plist);
umask(prev_umask);
return rv;
}
umask(prev_umask);
if (lockf(pkgdb_fd, F_TLOCK, 0) == -1) {
rv = errno;
xbps_dbg_printf(xhp, "[pkgdb] cannot lock pkgdb: %s\n", strerror(rv));
return rv;
}
return 0;
}
static xbps_dictionary_t
get_pkg_metadata(struct xbps_handle *xhp, xbps_dictionary_t pkgd)
{
xbps_dictionary_t pkg_metad;
const char *pkgver;
char *pkgname, *plist;
xbps_dictionary_get_cstring_nocopy(pkgd, "pkgver", &pkgver);
pkgname = xbps_pkg_name(pkgver);
assert(pkgname);
if ((pkg_metad = xbps_dictionary_get(xhp->pkg_metad, pkgname)) != NULL) {
free(pkgname);
return pkg_metad;
}
plist = xbps_xasprintf("%s/.%s.plist", xhp->metadir, pkgname);
pkg_metad = xbps_dictionary_internalize_from_file(plist);
free(plist);
if (pkg_metad == NULL) {
xbps_dbg_printf(xhp, "[pkgdb] cannot read %s metadata: %s\n",
pkgver, strerror(errno));
free(pkgname);
return NULL;
}
if (xhp->pkg_metad == NULL)
xhp->pkg_metad = xbps_dictionary_create();
xbps_dictionary_set(xhp->pkg_metad, pkgname, pkg_metad);
xbps_object_release(pkg_metad);
free(pkgname);
return pkg_metad;
}
static bool
rsa_verify_hash(struct xbps_repo *repo, xbps_data_t pubkey,
unsigned char *sig, unsigned int siglen,
unsigned char *sha256)
{
BIO *bio;
RSA *rsa;
int rv;
ERR_load_crypto_strings();
SSL_load_error_strings();
bio = BIO_new_mem_buf(__UNCONST(xbps_data_data_nocopy(pubkey)),
xbps_data_size(pubkey));
assert(bio);
rsa = PEM_read_bio_RSA_PUBKEY(bio, NULL, NULL, NULL);
if (rsa == NULL) {
xbps_dbg_printf(repo->xhp, "`%s' error reading public key: %s\n",
repo->uri, ERR_error_string(ERR_get_error(), NULL));
return false;
}
rv = RSA_verify(NID_sha1, sha256, SHA256_DIGEST_LENGTH, sig, siglen, rsa);
RSA_free(rsa);
BIO_free(bio);
ERR_free_strings();
return rv ? true : false;
}
xbps_dictionary_t
xbps_pkgdb_get_pkg_files(struct xbps_handle *xhp, const char *pkg)
{
xbps_dictionary_t pkgd, pkgfilesd;
const char *pkgver;
char *pkgname, *plist;
if (pkg == NULL)
return NULL;
pkgd = xbps_pkgdb_get_pkg(xhp, pkg);
if (pkgd == NULL)
return NULL;
xbps_dictionary_get_cstring_nocopy(pkgd, "pkgver", &pkgver);
pkgname = xbps_pkg_name(pkgver);
assert(pkgname);
plist = xbps_xasprintf("%s/.%s-files.plist", xhp->metadir, pkgname);
free(pkgname);
pkgfilesd = xbps_plist_dictionary_from_file(xhp, plist);
free(plist);
if (pkgfilesd == NULL) {
xbps_dbg_printf(xhp, "[pkgdb] cannot read %s metadata: %s\n",
pkgver, strerror(errno));
return NULL;
}
return pkgfilesd;
}
static int
pfcexec(struct xbps_handle *xhp, const char *file, const char **argv)
{
pid_t child;
int status;
child = vfork();
switch (child) {
case 0:
/*
* If rootdir != / and uid==0 and bin/sh exists,
* change root directory and exec command.
*/
if (strcmp(xhp->rootdir, "/")) {
if ((geteuid() == 0) && (access("bin/sh", X_OK) == 0)) {
if (chroot(xhp->rootdir) == -1) {
xbps_dbg_printf(xhp, "%s: chroot() "
"failed: %s\n", *argv, strerror(errno));
_exit(errno);
}
if (chdir("/") == -1) {
xbps_dbg_printf(xhp, "%s: chdir() "
"failed: %s\n", *argv, strerror(errno));
_exit(errno);
}
}
}
(void)execv(file, __UNCONST(argv));
_exit(errno);
/* NOTREACHED */
case -1:
return -1;
}
while (waitpid(child, &status, 0) < 0) {
if (errno != EINTR)
return -1;
}
if (!WIFEXITED(status))
return -1;
return WEXITSTATUS(status);
}
void
xbps_pkgdb_unlock(struct xbps_handle *xhp)
{
if (pkgdb_fd != -1) {
if (lockf(pkgdb_fd, F_ULOCK, 0) == -1)
xbps_dbg_printf(xhp, "[pkgdb] failed to unlock pkgdb: %s\n", strerror(errno));
(void)close(pkgdb_fd);
pkgdb_fd = -1;
}
}
static void
store_preserved_file(struct xbps_handle *xhp, const char *file)
{
glob_t globbuf;
char *p = NULL, *rfile = NULL;
size_t len;
int rv = 0;
if (xhp->preserved_files == NULL) {
xhp->preserved_files = xbps_array_create();
assert(xhp->preserved_files);
}
rfile = xbps_xasprintf("%s%s", xhp->rootdir, file);
rv = glob(rfile, 0, NULL, &globbuf);
if (rv == GLOB_NOMATCH) {
if (xbps_match_string_in_array(xhp->preserved_files, file))
goto out;
xbps_array_add_cstring(xhp->preserved_files, file);
xbps_dbg_printf(xhp, "Added preserved file: %s\n", file);
goto out;
} else if (rv != 0) {
goto out;
}
for (size_t i = 0; i < globbuf.gl_pathc; i++) {
if (xbps_match_string_in_array(xhp->preserved_files, globbuf.gl_pathv[i]))
continue;
len = strlen(globbuf.gl_pathv[i]) - strlen(xhp->rootdir) + 1;
p = malloc(len);
assert(p);
strlcpy(p, globbuf.gl_pathv[i] + strlen(xhp->rootdir), len);
xbps_array_add_cstring(xhp->preserved_files, p);
xbps_dbg_printf(xhp, "Added preserved file: %s (expanded from %s)\n", p, file);
free(p);
}
out:
globfree(&globbuf);
free(rfile);
}
static bool
repo_open_local(struct xbps_repo *repo, const char *repofile)
{
struct stat st;
int rv = 0;
if (fstat(repo->fd, &st) == -1) {
rv = errno;
xbps_dbg_printf(repo->xhp, "[repo] `%s' fstat repodata %s\n",
repofile, strerror(rv));
return false;
}
repo->ar = archive_read_new();
archive_read_support_compression_gzip(repo->ar);
archive_read_support_format_tar(repo->ar);
if (archive_read_open_fd(repo->ar, repo->fd, st.st_blksize) == ARCHIVE_FATAL) {
rv = archive_errno(repo->ar);
xbps_dbg_printf(repo->xhp,
"[repo] `%s' failed to open repodata archive %s\n",
repofile, strerror(rv));
return false;
}
if ((repo->idx = repo_get_dict(repo)) == NULL) {
rv = archive_errno(repo->ar);
xbps_dbg_printf(repo->xhp, "[repo] `%s' failed to internalize "
" index on archive, removing file.\n", repofile);
/* broken archive, remove it */
(void)unlink(repofile);
return false;
}
xbps_dictionary_make_immutable(repo->idx);
repo->idxmeta = repo_get_dict(repo);
if (repo->idxmeta != NULL) {
repo->is_signed = true;
xbps_dictionary_make_immutable(repo->idxmeta);
}
return true;
}
void HIDDEN
xbps_pkgdb_release(struct xbps_handle *xhp)
{
assert(xhp != NULL);
if (xhp->pkgdb == NULL)
return;
xbps_pkgdb_unlock(xhp);
xbps_object_release(xhp->pkgdb);
xbps_dbg_printf(xhp, "[pkgdb] released ok.\n");
}
/**
* @file lib/pkgdb.c
* @brief Package database handling routines
* @defgroup pkgdb Package database handling functions
*
* Functions to manipulate the main package database plist file (pkgdb).
*
* The following image shown below shows the proplib structure used
* by the main package database plist:
*
* @image html images/xbps_pkgdb_array.png
*
* Legend:
* - <b>Salmon filled box</b>: \a XBPS_PKGDB file internalized.
* - <b>White filled box</b>: mandatory objects.
* - <b>Grey filled box</b>: optional objects.
* - <b>Green filled box</b>: possible value set in the object, only one
* of them is set.
*
* Text inside of white boxes are the key associated with the object, its
* data type is specified on its edge, i.e array, bool, integer, string,
* dictionary.
*/
int HIDDEN
xbps_pkgdb_init(struct xbps_handle *xhp)
{
int rv;
assert(xhp != NULL);
if (xhp->pkgdb != NULL)
return 0;
if ((rv = xbps_pkgdb_update(xhp, false)) != 0) {
if (rv != ENOENT)
xbps_dbg_printf(xhp, "[pkgdb] cannot internalize "
"pkgdb array: %s\n", strerror(rv));
return rv;
}
xbps_dbg_printf(xhp, "[pkgdb] initialized ok.\n");
return 0;
}
bool
xbps_repo_store(struct xbps_handle *xhp, const char *repo)
{
char *url = NULL;
assert(xhp);
assert(repo);
if (xhp->repositories == NULL) {
xhp->repositories = xbps_array_create();
assert(xhp->repositories);
}
/*
* If it's a local repo and path is relative, make it absolute.
*/
if (!xbps_repository_is_remote(repo)) {
if (repo[0] != '/' && repo[0] != '\0') {
if ((url = realpath(repo, NULL)) == NULL)
xbps_dbg_printf(xhp, "[repo] %s: realpath %s\n", __func__, repo);
}
}
if (xbps_match_string_in_array(xhp->repositories, url ? url : repo)) {
xbps_dbg_printf(xhp, "[repo] `%s' already stored\n", url ? url : repo);
if (url)
free(url);
return false;
}
if (xbps_array_add_cstring(xhp->repositories, url ? url : repo)) {
xbps_dbg_printf(xhp, "[repo] `%s' stored successfully\n", url ? url : repo);
if (url)
free(url);
return true;
}
if (url)
free(url);
return false;
}
bool
xbps_repo_lock(struct xbps_handle *xhp, const char *repodir,
int *lockfd, char **lockfname)
{
char *repofile, *lockfile;
int fd, rv;
assert(repodir);
assert(lockfd);
assert(lockfname);
repofile = xbps_repo_path(xhp, repodir);
assert(repofile);
lockfile = xbps_xasprintf("%s.lock", repofile);
free(repofile);
for (;;) {
fd = open(lockfile, O_WRONLY|O_CREAT|O_EXCL|O_CLOEXEC, 0660);
rv = errno;
if (fd != -1)
break;
if (rv != EEXIST) {
xbps_dbg_printf(xhp, "[repo] `%s' failed to "
"create lock file %s\n", lockfile, strerror(rv));
free(lockfile);
return false;
} else {
xbps_dbg_printf(xhp, "[repo] `%s' lock file exists,"
"waiting for 1s...\n", lockfile);
sleep(1);
}
}
*lockfname = lockfile;
*lockfd = fd;
return true;
}
void HIDDEN
xbps_pkgdb_release(struct xbps_handle *xhp)
{
assert(xhp != NULL);
if (xhp->pkgdb == NULL)
return;
if (xbps_object_type(xhp->pkg_metad) == XBPS_TYPE_DICTIONARY)
xbps_object_release(xhp->pkg_metad);
xbps_object_release(xhp->pkgdb);
xhp->pkgdb = NULL;
xbps_dbg_printf(xhp, "[pkgdb] released ok.\n");
}
static bool
repo_open_remote(struct xbps_repo *repo)
{
char *rpath;
bool rv;
rpath = xbps_repo_path(repo->xhp, repo->uri);
rv = xbps_repo_fetch_remote(repo, rpath);
free(rpath);
if (rv) {
xbps_dbg_printf(repo->xhp, "[repo] `%s' used remotely (kept in memory).\n", repo->uri);
if (repo->xhp->state_cb && xbps_repo_key_import(repo) != 0)
rv = false;
}
return rv;
}
static xbps_dictionary_t
repo_get_dict(struct xbps_repo *repo)
{
struct archive_entry *entry;
int rv;
if (repo->ar == NULL)
return NULL;
rv = archive_read_next_header(repo->ar, &entry);
if (rv != ARCHIVE_OK) {
xbps_dbg_printf(repo->xhp,
"%s: read_next_header %s\n", repo->uri,
archive_error_string(repo->ar));
return NULL;
}
return xbps_archive_get_dictionary(repo->ar, entry);
}
bool HIDDEN
xbps_transaction_shlibs(struct xbps_handle *xhp, xbps_array_t pkgs, xbps_array_t mshlibs)
{
xbps_object_t obj;
xbps_object_iterator_t iter;
xbps_dictionary_t shrequires, shprovides;
bool unmatched = false;
shrequires = collect_shlibs(xhp, pkgs, true);
shprovides = collect_shlibs(xhp, pkgs, false);
/* iterate over shlib-requires to find unmatched shlibs */
iter = xbps_dictionary_iterator(shrequires);
assert(iter);
while ((obj = xbps_object_iterator_next(iter))) {
xbps_array_t array;
const char *pkgver, *shlib;
char *buf;
shlib = xbps_dictionary_keysym_cstring_nocopy(obj);
xbps_dbg_printf(xhp, "%s: checking for `%s': ", __func__, shlib);
if (xbps_dictionary_get(shprovides, shlib)) {
xbps_dbg_printf_append(xhp, "found\n");
continue;
}
xbps_dbg_printf_append(xhp, "not found\n");
unmatched = true;
array = xbps_dictionary_get_keysym(shrequires, obj);
for (unsigned int i = 0; i < xbps_array_count(array); i++) {
xbps_array_get_cstring_nocopy(array, i, &pkgver);
buf = xbps_xasprintf("%s: broken, unresolvable "
"shlib `%s'", pkgver, shlib);
xbps_array_add_cstring(mshlibs, buf);
free(buf);
}
xbps_object_release(array);
}
xbps_object_iterator_release(iter);
xbps_object_release(shprovides);
return unmatched;
}
int HIDDEN
xbps_repository_find_deps(struct xbps_handle *xhp,
xbps_array_t unsorted,
xbps_dictionary_t repo_pkgd)
{
xbps_array_t pkg_rdeps, pkg_provides = NULL;
const char *pkgver;
unsigned short depth = 0;
pkg_rdeps = xbps_dictionary_get(repo_pkgd, "run_depends");
if (xbps_array_count(pkg_rdeps) == 0)
return 0;
xbps_dictionary_get_cstring_nocopy(repo_pkgd, "pkgver", &pkgver);
xbps_dbg_printf(xhp, "Finding required dependencies for '%s':\n", pkgver);
/*
* This will find direct and indirect deps, if any of them is not
* there it will be added into the missing_deps array.
*/
pkg_provides = xbps_dictionary_get(repo_pkgd, "provides");
return find_repo_deps(xhp, unsorted, pkg_rdeps, pkg_provides, pkgver, &depth);
}
int HIDDEN
xbps_transaction_package_replace(struct xbps_handle *xhp, xbps_array_t pkgs)
{
for (unsigned int i = 0; i < xbps_array_count(pkgs); i++) {
xbps_array_t replaces;
xbps_object_t obj, obj2;
xbps_object_iterator_t iter;
const char *pkgver;
char *pkgname;
obj = xbps_array_get(pkgs, i);
replaces = xbps_dictionary_get(obj, "replaces");
if (replaces == NULL || xbps_array_count(replaces) == 0)
continue;
iter = xbps_array_iterator(replaces);
assert(iter);
xbps_dictionary_get_cstring_nocopy(obj, "pkgver", &pkgver);
pkgname = xbps_pkg_name(pkgver);
assert(pkgname);
while ((obj2 = xbps_object_iterator_next(iter)) != NULL) {
xbps_dictionary_t instd, reppkgd;
const char *tract, *pattern, *curpkgver;
char *curpkgname;
bool instd_auto = false;
pattern = xbps_string_cstring_nocopy(obj2);
/*
* Find the installed package that matches the pattern
* to be replaced.
*/
if (((instd = xbps_pkgdb_get_pkg(xhp, pattern)) == NULL) &&
((instd = xbps_pkgdb_get_virtualpkg(xhp, pattern)) == NULL))
continue;
xbps_dictionary_get_cstring_nocopy(instd,
"pkgver", &curpkgver);
curpkgname = xbps_pkg_name(curpkgver);
assert(curpkgname);
/*
* Check that we are not replacing the same package,
* due to virtual packages.
*/
if (strcmp(pkgname, curpkgname) == 0) {
free(curpkgname);
continue;
}
/*
* Make sure to not add duplicates.
*/
xbps_dictionary_get_bool(instd, "automatic-install", &instd_auto);
reppkgd = xbps_find_pkg_in_array(pkgs, curpkgname, NULL);
if (reppkgd) {
xbps_dictionary_get_cstring_nocopy(reppkgd,
"transaction", &tract);
if (strcmp(tract, "remove") == 0)
continue;
/*
* Package contains replaces="pkgpattern", but the
* package that should be replaced is also in the
* transaction and it's going to be updated.
*/
xbps_dictionary_set_bool(reppkgd,
"automatic-install", instd_auto);
xbps_array_replace_dict_by_name(pkgs,
reppkgd, curpkgname);
continue;
}
/*
* If new package is providing a virtual package to the
* package that we want to replace we should respect
* the automatic-install object.
*/
if (xbps_match_virtual_pkg_in_dict(obj, pattern)) {
xbps_dictionary_set_bool(obj,
"automatic-install", instd_auto);
}
xbps_dbg_printf(xhp,
"Package `%s' will be replaced by `%s', "
"matched with `%s'\n", curpkgver, pkgver, pattern);
/*
* Add package dictionary into the transaction and mark
* it as to be "removed".
*/
xbps_dictionary_set_cstring_nocopy(instd,
"transaction", "remove");
if (!xbps_array_add_first(pkgs, instd))
return EINVAL;
free(curpkgname);
}
xbps_object_iterator_release(iter);
free(pkgname);
}
return 0;
}
int
xbps_repo_key_import(struct xbps_repo *repo)
{
xbps_dictionary_t repokeyd = NULL;
xbps_data_t pubkey = NULL;
uint16_t pubkey_size = 0;
const char *signedby = NULL;
char *hexfp = NULL;
char *p, *dbkeyd, *rkeyfile = NULL;
int import, rv = 0;
assert(repo);
/*
* If repository does not have required metadata plist, ignore it.
*/
if (!xbps_dictionary_count(repo->idxmeta)) {
xbps_dbg_printf(repo->xhp,
"[repo] `%s' unsigned repository!\n", repo->uri);
return 0;
}
/*
* Check for required objects in index-meta:
* - signature-by (string)
* - public-key (data)
* - public-key-size (number)
*/
xbps_dictionary_get_cstring_nocopy(repo->idxmeta, "signature-by", &signedby);
xbps_dictionary_get_uint16(repo->idxmeta, "public-key-size", &pubkey_size);
pubkey = xbps_dictionary_get(repo->idxmeta, "public-key");
if (signedby == NULL || pubkey_size == 0 ||
xbps_object_type(pubkey) != XBPS_TYPE_DATA) {
xbps_dbg_printf(repo->xhp,
"[repo] `%s': incomplete signed repository "
"(missing objs)\n", repo->uri);
rv = EINVAL;
goto out;
}
hexfp = xbps_pubkey2fp(repo->xhp, pubkey);
/*
* Check if the public key is alredy stored.
*/
rkeyfile = xbps_xasprintf("%s/keys/%s.plist", repo->xhp->metadir, hexfp);
repokeyd = xbps_plist_dictionary_from_file(repo->xhp, rkeyfile);
if (xbps_object_type(repokeyd) == XBPS_TYPE_DICTIONARY) {
xbps_dbg_printf(repo->xhp,
"[repo] `%s' public key already stored.\n", repo->uri);
goto out;
}
/*
* Notify the client and take appropiate action to import
* the repository public key. Pass back the public key openssh fingerprint
* to the client.
*/
import = xbps_set_cb_state(repo->xhp, XBPS_STATE_REPO_KEY_IMPORT, 0,
hexfp, "`%s' repository has been RSA signed by \"%s\"",
repo->uri, signedby);
if (import <= 0) {
rv = EAGAIN;
goto out;
}
p = strdup(rkeyfile);
dbkeyd = dirname(p);
assert(dbkeyd);
if (access(dbkeyd, R_OK|W_OK) == -1) {
rv = errno;
if (rv == ENOENT)
rv = xbps_mkpath(dbkeyd, 0755);
if (rv != 0) {
rv = errno;
xbps_dbg_printf(repo->xhp,
"[repo] `%s' cannot create %s: %s\n",
repo->uri, dbkeyd, strerror(errno));
free(p);
goto out;
}
}
free(p);
repokeyd = xbps_dictionary_create();
xbps_dictionary_set(repokeyd, "public-key", pubkey);
xbps_dictionary_set_uint16(repokeyd, "public-key-size", pubkey_size);
xbps_dictionary_set_cstring_nocopy(repokeyd, "signature-by", signedby);
if (!xbps_dictionary_externalize_to_file(repokeyd, rkeyfile)) {
rv = errno;
xbps_dbg_printf(repo->xhp,
"[repo] `%s' failed to externalize %s: %s\n",
repo->uri, rkeyfile, strerror(rv));
}
out:
if (hexfp)
free(hexfp);
if (repokeyd)
xbps_object_release(repokeyd);
if (rkeyfile)
free(rkeyfile);
return rv;
}
static int
create_symlinks(struct xbps_handle *xhp, xbps_array_t a, const char *grname)
{
unsigned int i, cnt;
cnt = xbps_array_count(a);
for (i = 0; i < cnt; i++) {
xbps_string_t str;
char *tgt_dup, *tgt_dir, *lnk_dup, *lnk_dir;
char *l, *lnk, *tgt = NULL;
const char *tgt0;
int rv;
str = xbps_array_get(a, i);
l = left(xbps_string_cstring_nocopy(str));
assert(l);
tgt0 = right(xbps_string_cstring_nocopy(str));
assert(tgt0);
/* always create target dir, for dangling symlinks */
tgt_dup = strdup(tgt0);
assert(tgt_dup);
tgt_dir = dirname(tgt_dup);
if (strcmp(tgt_dir, ".")) {
tgt = xbps_xasprintf("%s%s", xhp->rootdir, tgt_dir);
if (xbps_mkpath(tgt, 0755) != 0) {
if (errno != EEXIST) {
rv = errno;
xbps_dbg_printf(xhp, "failed to create "
"target dir '%s' for group '%s': %s\n",
tgt, grname, strerror(errno));
free(tgt_dup);
free(tgt);
free(l);
return rv;
}
}
free(tgt);
}
/* always create link dir, for dangling symlinks */
lnk_dup = strdup(l);
assert(lnk_dup);
lnk_dir = dirname(lnk_dup);
if (strcmp(lnk_dir, ".")) {
lnk = xbps_xasprintf("%s%s", xhp->rootdir, lnk_dir);
if (xbps_mkpath(lnk, 0755) != 0) {
if (errno != EEXIST) {
rv = errno;
xbps_dbg_printf(xhp, "failed to create symlink"
"dir '%s' for group '%s': %s\n",
lnk, grname, strerror(errno));
free(tgt_dup);
free(lnk_dup);
free(lnk);
free(l);
return rv;
}
}
free(lnk);
}
free(lnk_dup);
if (l[0] != '/') {
lnk = xbps_xasprintf("%s%s/%s", xhp->rootdir, tgt_dir, l);
free(tgt_dup);
tgt_dup = strdup(tgt0);
assert(tgt_dup);
tgt = strdup(basename(tgt_dup));
free(tgt_dup);
} else {
free(tgt_dup);
tgt = strdup(tgt0);
lnk = xbps_xasprintf("%s%s", xhp->rootdir, l);
}
xbps_set_cb_state(xhp, XBPS_STATE_ALTGROUP_LINK_ADDED, 0, NULL,
"Creating '%s' alternatives group symlink: %s -> %s", grname, l, tgt);
unlink(lnk);
if (tgt[0] == '/') {
tgt_dup = relpath(lnk + strlen(xhp->rootdir), tgt);
free(tgt);
tgt = tgt_dup;
}
if ((rv = symlink(tgt, lnk)) != 0) {
xbps_dbg_printf(xhp, "failed to create alt symlink '%s'"
"for group '%s': %s\n", lnk, grname,
strerror(errno));
free(tgt);
free(lnk);
free(l);
return rv;
}
free(tgt);
free(lnk);
free(l);
}
return 0;
}
bool
xbps_verify_file_signature(struct xbps_repo *repo, const char *fname)
{
xbps_dictionary_t repokeyd = NULL;
xbps_data_t pubkey;
char *hexfp = NULL;
unsigned char *digest = NULL, *sig_buf = NULL;
size_t sigbuflen, sigfilelen;
char *rkeyfile = NULL, *sig = NULL;
bool val = false;
if (!xbps_dictionary_count(repo->idxmeta)) {
xbps_dbg_printf(repo->xhp, "%s: unsigned repository\n", repo->uri);
return false;
}
hexfp = xbps_pubkey2fp(repo->xhp,
xbps_dictionary_get(repo->idxmeta, "public-key"));
if (hexfp == NULL) {
xbps_dbg_printf(repo->xhp, "%s: incomplete signed repo, missing hexfp obj\n", repo->uri);
return false;
}
/*
* Prepare repository RSA public key to verify fname signature.
*/
rkeyfile = xbps_xasprintf("%s/keys/%s.plist", repo->xhp->metadir, hexfp);
repokeyd = xbps_plist_dictionary_from_file(repo->xhp, rkeyfile);
if (xbps_object_type(repokeyd) != XBPS_TYPE_DICTIONARY) {
xbps_dbg_printf(repo->xhp, "cannot read rkey data at %s: %s\n",
rkeyfile, strerror(errno));
goto out;
}
pubkey = xbps_dictionary_get(repokeyd, "public-key");
if (xbps_object_type(pubkey) != XBPS_TYPE_DATA)
goto out;
/*
* Prepare fname and signature data buffers.
*/
if (!(digest = xbps_file_hash_raw(fname))) {
xbps_dbg_printf(repo->xhp, "can't open file %s: %s\n", fname, strerror(errno));
goto out;
}
sig = xbps_xasprintf("%s.sig", fname);
if (!xbps_mmap_file(sig, (void *)&sig_buf, &sigbuflen, &sigfilelen)) {
xbps_dbg_printf(repo->xhp, "can't open signature file %s: %s\n", sig, strerror(errno));
goto out;
}
/*
* Verify fname RSA signature.
*/
if (rsa_verify_hash(repo, pubkey, sig_buf, sigfilelen, digest))
val = true;
out:
if (hexfp)
free(hexfp);
if (rkeyfile)
free(rkeyfile);
if (digest)
free(digest);
if (sig_buf)
(void)munmap(sig_buf, sigbuflen);
if (sig)
free(sig);
if (repokeyd)
xbps_object_release(repokeyd);
return val;
}
/*
* Returns 1 if entry should be installed, 0 if don't or -1 on error.
*/
int HIDDEN
xbps_entry_install_conf_file(struct xbps_handle *xhp,
xbps_dictionary_t filesd,
struct archive_entry *entry,
const char *entry_pname,
const char *pkgver,
const char *pkgname)
{
xbps_dictionary_t forigd;
xbps_object_t obj, obj2;
xbps_object_iterator_t iter, iter2;
const char *cffile, *sha256_new = NULL;
char *buf, *sha256_cur = NULL, *sha256_orig = NULL;
int rv = 0;
assert(xbps_object_type(filesd) == XBPS_TYPE_DICTIONARY);
assert(entry != NULL);
assert(entry_pname != NULL);
assert(pkgver != NULL);
iter = xbps_array_iter_from_dict(filesd, "conf_files");
if (iter == NULL)
return -1;
/*
* Get original hash for the file from current
* installed package.
*/
xbps_dbg_printf(xhp, "%s: processing conf_file %s\n",
pkgver, entry_pname);
forigd = xbps_pkgdb_get_pkg_metadata(xhp, pkgname);
if (forigd == NULL) {
xbps_dbg_printf(xhp, "%s: conf_file %s not currently "
"installed\n", pkgver, entry_pname);
rv = 1;
goto out;
}
iter2 = xbps_array_iter_from_dict(forigd, "conf_files");
if (iter2 != NULL) {
while ((obj2 = xbps_object_iterator_next(iter2))) {
xbps_dictionary_get_cstring_nocopy(obj2,
"file", &cffile);
buf = xbps_xasprintf(".%s", cffile);
if (strcmp(entry_pname, buf) == 0) {
xbps_dictionary_get_cstring(obj2, "sha256",
&sha256_orig);
free(buf);
break;
}
free(buf);
buf = NULL;
}
xbps_object_iterator_release(iter2);
}
/*
* First case: original hash not found, install new file.
*/
if (sha256_orig == NULL) {
xbps_dbg_printf(xhp, "%s: conf_file %s not installed\n",
pkgver, entry_pname);
rv = 1;
goto out;
}
/*
* Compare original, installed and new hash for current file.
*/
while ((obj = xbps_object_iterator_next(iter))) {
xbps_dictionary_get_cstring_nocopy(obj, "file", &cffile);
buf = xbps_xasprintf(".%s", cffile);
if (strcmp(entry_pname, buf)) {
free(buf);
buf = NULL;
continue;
}
sha256_cur = xbps_file_hash(buf);
free(buf);
xbps_dictionary_get_cstring_nocopy(obj, "sha256", &sha256_new);
if (sha256_cur == NULL) {
if (errno == ENOENT) {
/*
* File not installed, install new one.
*/
xbps_dbg_printf(xhp, "%s: conf_file %s not "
"installed\n", pkgver, entry_pname);
rv = 1;
break;
} else {
rv = -1;
break;
}
}
/*
* Orig = X, Curr = X, New = X
*
* Keep file as is (no changes).
*/
if ((strcmp(sha256_orig, sha256_cur) == 0) &&
(strcmp(sha256_orig, sha256_new) == 0) &&
(strcmp(sha256_cur, sha256_new) == 0)) {
xbps_dbg_printf(xhp, "%s: conf_file %s orig = X, "
"cur = X, new = X\n", pkgver, entry_pname);
rv = 0;
break;
/*
* Orig = X, Curr = X, New = Y
*
* Install new file (installed file hasn't been modified).
*/
} else if ((strcmp(sha256_orig, sha256_cur) == 0) &&
(strcmp(sha256_orig, sha256_new)) &&
(strcmp(sha256_cur, sha256_new))) {
xbps_set_cb_state(xhp, XBPS_STATE_CONFIG_FILE,
0, pkgver,
"Updating configuration file `%s' provided "
"by `%s'.", cffile, pkgver);
rv = 1;
break;
/*
* Orig = X, Curr = Y, New = X
*
* Keep installed file as is because it has been modified,
* but new package doesn't contain new changes compared
* to the original version.
*/
} else if ((strcmp(sha256_orig, sha256_new) == 0) &&
(strcmp(sha256_cur, sha256_new)) &&
(strcmp(sha256_orig, sha256_cur))) {
xbps_set_cb_state(xhp, XBPS_STATE_CONFIG_FILE,
0, pkgver,
"Keeping modified configuration file `%s'.",
cffile);
rv = 0;
break;
/*
* Orig = X, Curr = Y, New = Y
*
* Keep file as is because changes made are compatible
* with new version.
*/
} else if ((strcmp(sha256_cur, sha256_new) == 0) &&
(strcmp(sha256_orig, sha256_new)) &&
(strcmp(sha256_orig, sha256_cur))) {
xbps_dbg_printf(xhp, "%s: conf_file %s orig = X, "
"cur = Y, new = Y\n", pkgver, entry_pname);
rv = 0;
break;
/*
* Orig = X, Curr = Y, New = Z
*
* Install new file as <file>.new-<version>
*/
} else if ((strcmp(sha256_orig, sha256_cur)) &&
(strcmp(sha256_cur, sha256_new)) &&
(strcmp(sha256_orig, sha256_new))) {
const char *version;
version = xbps_pkg_version(pkgver);
assert(version);
buf = xbps_xasprintf(".%s.new-%s",
cffile, version);
xbps_set_cb_state(xhp, XBPS_STATE_CONFIG_FILE,
0, pkgver,
"Installing new configuration file to "
"`%s.new-%s'.", cffile, version);
archive_entry_set_pathname(entry, buf);
free(buf);
rv = 1;
break;
}
}
out:
if (sha256_orig)
free(sha256_orig);
if (sha256_cur)
free(sha256_cur);
xbps_object_iterator_release(iter);
xbps_dbg_printf(xhp, "%s: conf_file %s returned %d\n",
pkgver, entry_pname, rv);
return rv;
}
int HIDDEN
xbps_remove_pkg(struct xbps_handle *xhp,
const char *pkgver,
bool update,
bool soft_replace)
{
xbps_dictionary_t pkgd = NULL;
char *pkgname, *buf = NULL;
int rv = 0;
pkg_state_t state = 0;
assert(xhp);
assert(pkgver);
pkgname = xbps_pkg_name(pkgver);
assert(pkgname);
if ((rv = xbps_pkg_state_installed(xhp, pkgname, &state)) != 0)
goto out;
xbps_dbg_printf(xhp, "attempting to remove %s state %d\n",
pkgver, state);
if (!update)
xbps_set_cb_state(xhp, XBPS_STATE_REMOVE, 0, pkgver, NULL);
if (chdir(xhp->rootdir) == -1) {
rv = errno;
xbps_set_cb_state(xhp, XBPS_STATE_REMOVE_FAIL,
rv, pkgver,
"%s: [remove] failed to chdir to rootdir `%s': %s",
pkgver, xhp->rootdir, strerror(rv));
goto out;
}
/* internalize pkg dictionary from metadir */
buf = xbps_xasprintf("%s/.%s.plist", xhp->metadir, pkgname);
pkgd = xbps_dictionary_internalize_from_file(buf);
free(buf);
if (pkgd == NULL)
xbps_dbg_printf(xhp, "WARNING: metaplist for %s "
"doesn't exist!\n", pkgver);
/* If package was "half-removed", remove it fully. */
if (state == XBPS_PKG_STATE_HALF_REMOVED)
goto purge;
/*
* Run the pre remove action.
*/
if (pkgd) {
rv = xbps_pkg_exec_script(xhp, pkgd, "remove-script",
"pre", update);
if (rv != 0) {
xbps_set_cb_state(xhp, XBPS_STATE_REMOVE_FAIL,
errno, pkgver,
"%s: [remove] REMOVE script failed to "
"execute pre ACTION: %s",
pkgver, strerror(rv));
goto out;
}
}
/*
* If updating a package, we just need to execute the current
* pre-remove action target and we are done. Its files will be
* overwritten later in unpack phase.
*/
if (update) {
if (pkgd)
xbps_object_release(pkgd);
free(pkgname);
return 0;
} else if (soft_replace) {
/*
* Soft replace a package. Do not remove its files, but
* execute PURGE action, remove metadata files and unregister
* from pkgdb.
*/
goto softreplace;
}
if (pkgd) {
/* Remove regular files */
if ((rv = xbps_remove_pkg_files(xhp, pkgd, "files", pkgver)) != 0)
goto out;
/* Remove configuration files */
if ((rv = xbps_remove_pkg_files(xhp, pkgd, "conf_files", pkgver)) != 0)
goto out;
/* Remove links */
if ((rv = xbps_remove_pkg_files(xhp, pkgd, "links", pkgver)) != 0)
goto out;
/* Remove dirs */
if ((rv = xbps_remove_pkg_files(xhp, pkgd, "dirs", pkgver)) != 0)
goto out;
/*
* Execute the post REMOVE action if file exists and we aren't
* updating the package.
*/
rv = xbps_pkg_exec_script(xhp, pkgd, "remove-script", "post", false);
if (rv != 0) {
xbps_set_cb_state(xhp, XBPS_STATE_REMOVE_FAIL,
rv, pkgver,
"%s: [remove] REMOVE script failed to execute "
"post ACTION: %s", pkgver, strerror(rv));
goto out;
}
}
softreplace:
/*
* Set package state to "half-removed".
*/
rv = xbps_set_pkg_state_installed(xhp, pkgver,
XBPS_PKG_STATE_HALF_REMOVED);
if (rv != 0) {
xbps_set_cb_state(xhp, XBPS_STATE_REMOVE_FAIL,
rv, pkgver,
"%s: [remove] failed to set state to half-removed: %s",
pkgver, strerror(rv));
goto out;
}
purge:
/*
* Execute the purge REMOVE action if file exists.
*/
if (pkgd) {
rv = xbps_pkg_exec_script(xhp, pkgd, "remove-script", "purge", false);
if (rv != 0) {
xbps_set_cb_state(xhp, XBPS_STATE_REMOVE_FAIL,
rv, pkgver,
"%s: REMOVE script failed to execute "
"purge ACTION: %s", pkgver, strerror(rv));
goto out;
}
xbps_object_release(pkgd);
}
/*
* Remove package metadata plist.
*/
buf = xbps_xasprintf("%s/.%s.plist", xhp->metadir, pkgname);
if (remove(buf) == -1) {
if (errno != ENOENT) {
xbps_set_cb_state(xhp, XBPS_STATE_REMOVE_FAIL,
rv, pkgver,
"%s: failed to remove metadata file: %s",
pkgver, strerror(errno));
}
}
free(buf);
/*
* Unregister package from pkgdb.
*/
xbps_dictionary_remove(xhp->pkgdb, pkgname);
if ((rv = xbps_pkgdb_update(xhp, true)) != 0)
goto out;
xbps_dbg_printf(xhp, "[remove] unregister %s returned %d\n", pkgver, rv);
xbps_set_cb_state(xhp, XBPS_STATE_REMOVE_DONE, 0, pkgver, NULL);
out:
if (pkgname != NULL)
free(pkgname);
return rv;
}
int
xbps_init(struct xbps_handle *xhp)
{
struct utsname un;
char cwd[PATH_MAX-1], *buf;
const char *repodir, *native_arch;
int rv;
assert(xhp != NULL);
/* get cwd */
if (getcwd(cwd, sizeof(cwd)) == NULL)
return ENOTSUP;
/* set conffile */
if (xhp->conffile[0] == '\0') {
snprintf(xhp->conffile, sizeof(xhp->conffile), XBPS_CONF_DEF);
} else {
buf = strdup(xhp->conffile);
snprintf(xhp->conffile, sizeof(xhp->conffile), "%s/%s", cwd, buf);
free(buf);
}
/* Set rootdir */
if (xhp->rootdir[0] == '\0') {
xhp->rootdir[0] = '/';
xhp->rootdir[1] = '\0';
} else if (xhp->rootdir[0] != '/') {
buf = strdup(xhp->rootdir);
snprintf(xhp->rootdir, sizeof(xhp->rootdir), "%s/%s", cwd, buf);
free(buf);
}
/* parse configuration file */
xbps_dbg_printf(xhp, "%s\n", XBPS_RELVER);
if ((rv = parse_file(xhp, cwd, xhp->conffile, false, false)) != 0) {
xbps_dbg_printf(xhp, "Using built-in defaults\n");
}
/* Set cachedir */
if (xhp->cachedir[0] == '\0') {
snprintf(xhp->cachedir, sizeof(xhp->cachedir),
"%s/%s", strcmp(xhp->rootdir, "/") ? xhp->rootdir : "",
XBPS_CACHE_PATH);
} else if (xhp->cachedir[0] != '/') {
/* relative path */
buf = strdup(xhp->cachedir);
snprintf(xhp->cachedir, sizeof(xhp->cachedir),
"%s/%s", strcmp(xhp->rootdir, "/") ? xhp->rootdir : "", buf);
free(buf);
}
/* Set metadir */
if (xhp->metadir[0] == '\0') {
snprintf(xhp->metadir, sizeof(xhp->metadir),
"%s/%s", strcmp(xhp->rootdir, "/") ? xhp->rootdir : "",
XBPS_META_PATH);
} else if (xhp->metadir[0] != '/') {
/* relative path */
buf = strdup(xhp->metadir);
snprintf(xhp->metadir, sizeof(xhp->metadir),
"%s/%s", strcmp(xhp->rootdir, "/") ? xhp->rootdir : "", buf);
free(buf);
}
/* process virtualpkg.d dirs */
if ((rv = parse_dir(xhp, cwd, XBPS_SYS_VPKG_PATH, XBPS_VPKG_PATH, true)) != 0)
return rv;
/* process repo.d dirs */
if ((rv = parse_dir(xhp, cwd, XBPS_SYS_REPOD_PATH, XBPS_REPOD_PATH, false)) != 0)
return rv;
/* process preserve.d dirs */
if ((rv = parse_dir(xhp, cwd, XBPS_SYS_PRESERVED_PATH, XBPS_PRESERVED_PATH, false)) != 0)
return rv;
xhp->target_arch = getenv("XBPS_TARGET_ARCH");
if ((native_arch = getenv("XBPS_ARCH")) != NULL) {
strlcpy(xhp->native_arch, native_arch, sizeof(xhp->native_arch));
} else {
uname(&un);
strlcpy(xhp->native_arch, un.machine, sizeof(xhp->native_arch));
}
assert(xhp->native_arch);
xbps_fetch_set_cache_connection(XBPS_FETCH_CACHECONN, XBPS_FETCH_CACHECONN_HOST);
xbps_dbg_printf(xhp, "rootdir=%s\n", xhp->rootdir);
xbps_dbg_printf(xhp, "metadir=%s\n", xhp->metadir);
xbps_dbg_printf(xhp, "cachedir=%s\n", xhp->cachedir);
xbps_dbg_printf(xhp, "syslog=%s\n", xhp->flags & XBPS_FLAG_DISABLE_SYSLOG ? "false" : "true");
xbps_dbg_printf(xhp, "Architecture: %s\n", xhp->native_arch);
xbps_dbg_printf(xhp, "Target Architecture: %s\n", xhp->target_arch);
if (xhp->flags & XBPS_FLAG_DEBUG) {
for (unsigned int i = 0; i < xbps_array_count(xhp->repositories); i++) {
xbps_array_get_cstring_nocopy(xhp->repositories, i, &repodir);
xbps_dbg_printf(xhp, "Repository[%u]=%s\n", i, repodir);
}
}
/* Going back to old working directory */
if (chdir(cwd) == -1)
xbps_dbg_printf(xhp, "%s: cannot chdir to %s: %s\n", __func__, cwd, strerror(errno));
return 0;
}
static int
parse_dir(struct xbps_handle *xhp, const char *cwd, const char *dir, const char *confdir, bool vpkg)
{
struct dirent **namelist;
char *ext, ldir[PATH_MAX], conf[PATH_MAX];
int i, n, rv = 0;
/*
* Read all configuration files stored in the system
* foo.d directory.
*/
snprintf(ldir, sizeof(ldir), "%s/%s",
strcmp(xhp->rootdir, "/") ? xhp->rootdir : "", dir);
xbps_dbg_printf(xhp, "Processing system directory: %s\n", ldir);
if ((n = scandir(ldir, &namelist, 0, alphasort)) < 0)
goto stage2;
for (i = 0; i < n; i++) {
if ((strcmp(namelist[i]->d_name, "..") == 0) ||
(strcmp(namelist[i]->d_name, ".") == 0)) {
free(namelist[i]);
continue;
}
/* only process .vpkg/.conf files, ignore something else */
if ((ext = strrchr(namelist[i]->d_name, '.')) == NULL) {
free(namelist[i]);
continue;
}
if (strcmp(ext, ".conf") && strcmp(ext, ".vpkg")) {
xbps_dbg_printf(xhp, "%s: ignoring %s\n", ldir, namelist[i]->d_name);
free(namelist[i]);
continue;
}
/* if the same file exists in configuration directory, ignore it */
snprintf(conf, sizeof(conf), "%s/%s/%s", xhp->rootdir, confdir, namelist[i]->d_name);
if (access(conf, R_OK) == 0) {
xbps_dbg_printf(xhp, "%s: ignoring %s (exists in confdir)\n", ldir, namelist[i]->d_name);
free(namelist[i]);
continue;
}
/* parse conf file */
snprintf(conf, sizeof(conf), "%s/%s", ldir, namelist[i]->d_name);
if ((rv = parse_file(xhp, cwd, conf, false, vpkg)) != 0) {
free(namelist[i]);
break;
}
}
free(namelist);
if (rv != 0)
return rv;
stage2:
/*
* Read all configuration files stored in the configuration foo.d directory.
*/
snprintf(ldir, sizeof(ldir), "%s%s",
strcmp(xhp->rootdir, "/") ? xhp->rootdir : "", confdir);
xbps_dbg_printf(xhp, "Processing configuration directory: %s\n", ldir);
if ((n = scandir(ldir, &namelist, 0, alphasort)) < 0)
return 0;
for (i = 0; i < n; i++) {
if ((strcmp(namelist[i]->d_name, "..") == 0) ||
(strcmp(namelist[i]->d_name, ".") == 0)) {
free(namelist[i]);
continue;
}
/* only process .vpkg/.conf files, ignore something else */
if ((ext = strrchr(namelist[i]->d_name, '.')) == NULL) {
free(namelist[i]);
continue;
}
if (strcmp(ext, ".conf") && strcmp(ext, ".vpkg")) {
xbps_dbg_printf(xhp, "%s: ignoring %s\n", ldir, namelist[i]->d_name);
free(namelist[i]);
continue;
}
/* parse conf file */
snprintf(conf, sizeof(conf), "%s/%s", ldir, namelist[i]->d_name);
if ((rv = parse_file(xhp, cwd, conf, false, vpkg)) != 0) {
free(namelist[i]);
break;
}
}
free(namelist);
return rv;
}
static int
parse_file(struct xbps_handle *xhp, const char *cwd, const char *path, bool nested, bool vpkgconf)
{
FILE *fp;
char tmppath[XBPS_MAXPATH] = {0};
size_t len, nlines = 0;
ssize_t nread;
char *cfcwd, *line = NULL;
int rv = 0;
if ((fp = fopen(path, "r")) == NULL) {
rv = errno;
xbps_dbg_printf(xhp, "cannot read configuration file %s: %s\n", path, strerror(rv));
return rv;
}
if (!vpkgconf) {
xbps_dbg_printf(xhp, "Parsing configuration file: %s\n", path);
}
while ((nread = getline(&line, &len, fp)) != -1) {
char *p, *k, *v;
nlines++;
p = line;
/* eat blanks */
while (isblank((unsigned char)*p))
p++;
/* ignore comments or empty lines */
if (*p == '#' || *p == '\n')
continue;
if (!parse_option(p, &k, &v)) {
xbps_dbg_printf(xhp, "%s: ignoring invalid option at "
"line %zu\n", path, nlines);
continue;
}
if (strcmp(k, "rootdir") == 0) {
xbps_dbg_printf(xhp, "%s: rootdir set to %s\n",
path, v);
snprintf(xhp->rootdir, sizeof(xhp->rootdir), "%s", v);
} else if (strcmp(k, "cachedir") == 0) {
xbps_dbg_printf(xhp, "%s: cachedir set to %s\n",
path, v);
snprintf(xhp->cachedir, sizeof(xhp->cachedir), "%s", v);
} else if (strcmp(k, "syslog") == 0) {
if (strcasecmp(v, "true") == 0) {
xhp->flags &= ~XBPS_FLAG_DISABLE_SYSLOG;
xbps_dbg_printf(xhp, "%s: syslog enabled\n", path);
} else {
xhp->flags |= XBPS_FLAG_DISABLE_SYSLOG;
xbps_dbg_printf(xhp, "%s: syslog disabled\n", path);
}
} else if (strcmp(k, "repository") == 0) {
if (store_repo(xhp, v))
xbps_dbg_printf(xhp, "%s: added repository %s\n", path, v);
} else if (strcmp(k, "virtualpkg") == 0) {
store_vpkg(xhp, path, nlines, v);
} else if (strcmp(k, "preserve") == 0) {
store_preserved_file(xhp, v);
}
/* Avoid double-nested parsing, only allow it once */
if (nested)
continue;
if (strcmp(k, "include"))
continue;
/* cwd to the dir containing the config file */
strlcpy(tmppath, path, sizeof(tmppath));
cfcwd = dirname(tmppath);
if (chdir(cfcwd) == -1) {
rv = errno;
xbps_dbg_printf(xhp, "cannot chdir to %s: %s\n", cfcwd, strerror(rv));
return rv;
}
if ((rv = parse_files_glob(xhp, cwd, v, true, false)) != 0)
break;
}
free(line);
fclose(fp);
return rv;
}
